Interpretive Summary: Effect of maternal organic selenium supplementation during pregnancy on sow reproductive performance and long-term effect on their progeny
By Anne Zinn
Selenium is an essential trace element for sows, as well as other animals, and exists in nature in both inorganic and organic forms. An organic source of Selenium, HMSeBA, has been shown to be more bioavailable than sodium selenite or selenium yeast. The bioavailable efficacy of HMSeBA has been demonstrated in poultry, growing pigs, and weaned pigs, but the effect of HMSeBA on the reproductive performance of sows and the growth performance and health of offspring has not been fully explored. A study recently published in the Journal of Animal Science investigated the effect of HMSeBA supplementation on the reproductive performance and antioxidant capacity of sows and the long-term effect on the growth performance and antioxidant capacity of their offspring. The research team hypothesized that maternal HMSeBA supplementation during gestation could improve sow reproductive performance and the antioxidant capacities of sows and their offspring.
Results of the present study demonstrated that maternal dietary HMSeBA supplementation during gestation increased litter size, shortened duration of farrowing, enhanced the antioxidant capacities of sows, and promoted the growth performance of suckling pigs at the first week of lactation and enhanced antioxidant capacity of the offspring. Even though HMSeBA increased litter size and lowered birth weight, the improved growth performance during lactation did not affect the subsequent long-term growth performance. Overall, the results indicate that HMSeBA supplementation in sows during gestation has the positive potential to produce more meat.
The full paper can be found on the Journal of Animal Science website.